On Thu, 6 Jun 2019, Andrea Parri wrote:

> This seems a sensible change to me: looking forward to seeing a patch,
> on top of -rcu/dev, for further review and testing!
> 
> We could also add (to LKMM) the barrier() for rcu_read_{lock,unlock}()
> discussed in this thread (maybe once the RCU code and the informal doc
> will have settled in such direction).

Yes.  Also for SRCU.  That point had not escaped me.

Alan

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